* progmodes/gud.el (gud-target-name): Move definition before use.
* progmodes/dcl-mode.el: Require imenu at compile time.
* progmodes/cc-engine.el (c-maybe-stale-found-type): Pacify
byte-compiler.
* obsolete/fast-lock.el: Use featurep test instead of
string-match.
* eshell/esh-mode.el (eshell-handle-ansi-color): Require
ansi-color at compile time too.
* eshell/em-unix.el (eshell/info): Require info at compile time
too.
* w32-fns.el: Require w32-vars.
* diff-mode.el (diff-refine-hunk): Require smerge-mode at compile
time too.